Use the following sections to help you configure Layer 2 security features and protect the network by mitigating various types of attacks, using the Command Line Interface (CLI).
DHCP Snooping
Dynamic ARP Inspection
IP Source Guard for IPv4 addresses
First Hop Security (FHS)
Note
FHS does not solve all cases of denial of services like blocking flooding of the IPv6 messages.
DHCP Snooping and IPv6 Neighbor Discovery Inspection
IP Source Guard for IPv6 addresses